add some babel stuff

2025-08-03 12:20:04 +02:00 · 2018-05-05 15:35:25 +02:00
parent d17c4fe70c
commit e76e795120
604 changed files with 103725 additions and 62 deletions
--- a/node_modules/is-symbol/.editorconfig
+++ b/node_modules/is-symbol/.editorconfig
@@ -0,0 +1,13 @@
+root = true
+
+[*]
+indent_style = tab;
+insert_final_newline = true;
+quote_type = auto;
+space_after_anonymous_functions = true;
+space_after_control_statements = true;
+spaces_around_operators = true;
+trim_trailing_whitespace = true;
+spaces_in_brackets = false;
+end_of_line = lf;
+
--- a/node_modules/is-symbol/.eslintrc
+++ b/node_modules/is-symbol/.eslintrc
@@ -0,0 +1,160 @@
+{
+	"env": {
+		"browser": false,
+		"node": true,
+		"amd": false,
+		"mocha": false,
+		"jasmine": false
+	},
+
+	"rules": {
+		"block-scoped-var": [0],
+		"brace-style": [2, "1tbs", { "allowSingleLine": true }],
+		"camelcase": [2],
+		"comma-spacing": [2],
+		"comma-style": [2, "last"],
+		"complexity": [0, 11],
+		"consistent-return": [2],
+		"consistent-this": [0, "that"],
+		"curly": [2, "all"],
+		"default-case": [2],
+		"dot-notation": [2, { "allowKeywords": true }],
+		"eol-last": [2],
+		"eqeqeq": [2],
+		"func-names": [0],
+		"func-style": [0, "declaration"],
+		"global-strict": [0, "never"],
+		"guard-for-in": [0],
+		"handle-callback-err": [0],
+		"key-spacing": [2, { "beforeColon": false, "afterColon": true }],
+		"quotes": [2, "single", "avoid-escape"],
+		"max-depth": [0, 4],
+		"max-len": [0, 80, 4],
+		"max-nested-callbacks": [0, 2],
+		"max-params": [0, 3],
+		"max-statements": [0, 10],
+		"new-parens": [2],
+		"new-cap": [2],
+		"no-alert": [2],
+		"no-array-constructor": [2],
+		"no-bitwise": [0],
+		"no-caller": [2],
+		"no-catch-shadow": [2],
+		"no-comma-dangle": [2],
+		"no-cond-assign": [2],
+		"no-console": [2],
+		"no-constant-condition": [2],
+		"no-control-regex": [2],
+		"no-debugger": [2],
+		"no-delete-var": [2],
+		"no-div-regex": [0],
+		"no-dupe-keys": [2],
+		"no-else-return": [0],
+		"no-empty": [2],
+		"no-empty-class": [2],
+		"no-empty-label": [2],
+		"no-eq-null": [0],
+		"no-eval": [2],
+		"no-ex-assign": [2],
+		"no-extend-native": [2],
+		"no-extra-bind": [2],
+		"no-extra-boolean-cast": [2],
+		"no-extra-parens": [0],
+		"no-extra-semi": [2],
+		"no-extra-strict": [2],
+		"no-fallthrough": [2],
+		"no-floating-decimal": [2],
+		"no-func-assign": [2],
+		"no-implied-eval": [2],
+		"no-inline-comments": [0],
+		"no-inner-declarations": [2, "functions"],
+		"no-invalid-regexp": [2],
+		"no-irregular-whitespace": [2],
+		"no-iterator": [2],
+		"no-label-var": [2],
+		"no-labels": [2],
+		"no-lone-blocks": [2],
+		"no-lonely-if": [2],
+		"no-loop-func": [2],
+		"no-mixed-requires": [0, false],
+		"no-mixed-spaces-and-tabs": [2, false],
+		"no-multi-spaces": [2],
+		"no-multi-str": [2],
+		"no-multiple-empty-lines": [0, {"max": 2}],
+		"no-native-reassign": [2],
+		"no-negated-in-lhs": [2],
+		"no-nested-ternary": [0],
+		"no-new": [2],
+		"no-new-func": [2],
+		"no-new-object": [2],
+		"no-new-require": [0],
+		"no-new-wrappers": [2],
+		"no-obj-calls": [2],
+		"no-octal": [2],
+		"no-octal-escape": [2],
+		"no-path-concat": [0],
+		"no-plusplus": [0],
+		"no-process-env": [0],
+		"no-process-exit": [2],
+		"no-proto": [2],
+		"no-redeclare": [2],
+		"no-regex-spaces": [2],
+		"no-reserved-keys": [2],
+		"no-restricted-modules": [0],
+		"no-return-assign": [2],
+		"no-script-url": [2],
+		"no-self-compare": [0],
+		"no-sequences": [2],
+		"no-shadow": [2],
+		"no-shadow-restricted-names": [2],
+		"no-space-before-semi": [2],
+		"no-spaced-func": [2],
+		"no-sparse-arrays": [2],
+		"no-sync": [0],
+		"no-ternary": [0],
+		"no-trailing-spaces": [2],
+		"no-undef": [2],
+		"no-undef-init": [2],
+		"no-undefined": [0],
+		"no-underscore-dangle": [2],
+		"no-unreachable": [2],
+		"no-unused-expressions": [2],
+		"no-unused-vars": [2, { "vars": "all", "args": "after-used" }],
+		"no-use-before-define": [2],
+		"no-void": [0],
+		"no-warning-comments": [0, { "terms": ["todo", "fixme", "xxx"], "location": "start" }],
+		"no-with": [2],
+		"no-wrap-func": [2],
+		"one-var": [0],
+		"operator-assignment": [0, "always"],
+		"padded-blocks": [0],
+		"quote-props": [0],
+		"radix": [0],
+		"semi": [2],
+		"sort-vars": [0],
+		"space-after-keywords": [2, "always", { "checkFunctionKeyword": true }],
+		"space-before-blocks": [0, "always"],
+		"space-in-brackets": [0, "never", {
+			"singleValue": true,
+			"arraysInArrays": false,
+			"arraysInObjects": false,
+			"objectsInArrays": true,
+			"objectsInObjects": true,
+			"propertyName": false
+		}],
+		"space-in-parens": [2, "never"],
+		"space-infix-ops": [2],
+		"space-return-throw-case": [2],
+		"space-after-function-name": [2, "never"],
+		"space-unary-ops": [2, { "words": true, "nonwords": false }],
+		"spaced-line-comment": [0, "always"],
+		"strict": [0],
+		"use-isnan": [2],
+		"valid-jsdoc": [0],
+		"valid-typeof": [2],
+		"vars-on-top": [0],
+		"wrap-iife": [2],
+		"wrap-regex": [2],
+		"yoda": [2, "never", { "exceptRange": true }]
+	}
+}
--- a/node_modules/is-symbol/.jscs.json
+++ b/node_modules/is-symbol/.jscs.json
@@ -0,0 +1,68 @@
+{
+	"additionalRules": [],
+
+	"requireCurlyBraces": ["if", "else", "for", "while", "do", "try", "catch"],
+
+	"requireSpaceAfterKeywords": ["if", "else", "for", "while", "do", "switch", "return", "try", "catch", "function"],
+
+	"disallowSpaceAfterKeywords": [],
+
+	"requireSpacesInAnonymousFunctionExpression": { "beforeOpeningRoundBrace": true, "beforeOpeningCurlyBrace": true },
+	"requireSpacesInNamedFunctionExpression": { "beforeOpeningCurlyBrace": true },
+	"disallowSpacesInNamedFunctionExpression": { "beforeOpeningRoundBrace": true },
+	"requireSpacesInFunctionDeclaration": { "beforeOpeningCurlyBrace": true },
+	"disallowSpacesInFunctionDeclaration": { "beforeOpeningRoundBrace": true },
+
+	"requireSpaceBetweenArguments": true,
+
+	"disallowSpacesInsideParentheses": true,
+
+	"disallowSpacesInsideArrayBrackets": true,
+
+	"disallowQuotedKeysInObjects": "allButReserved",
+
+	"disallowSpaceAfterObjectKeys": true,
+
+	"requireCommaBeforeLineBreak": true,
+
+	"disallowSpaceAfterPrefixUnaryOperators": ["++", "--", "+", "-", "~", "!"],
+	"requireSpaceAfterPrefixUnaryOperators": [],
+
+	"disallowSpaceBeforePostfixUnaryOperators": ["++", "--"],
+	"requireSpaceBeforePostfixUnaryOperators": [],
+
+	"disallowSpaceBeforeBinaryOperators": [],
+	"requireSpaceBeforeBinaryOperators": ["+", "-", "/", "*", "=", "==", "===", "!=", "!=="],
+
+	"requireSpaceAfterBinaryOperators": ["+", "-", "/", "*", "=", "==", "===", "!=", "!=="],
+	"disallowSpaceAfterBinaryOperators": [],
+
+	"disallowImplicitTypeConversion": ["binary", "string"],
+
+	"disallowKeywords": ["with", "eval"],
+
+	"requireKeywordsOnNewLine": [],
+	"disallowKeywordsOnNewLine": ["else"],
+
+	"requireLineFeedAtFileEnd": true,
+
+	"disallowTrailingWhitespace": true,
+
+	"disallowTrailingComma": true,
+
+	"excludeFiles": ["node_modules/**", "vendor/**"],
+
+	"disallowMultipleLineStrings": true,
+
+	"requireDotNotation": true,
+
+	"requireParenthesesAroundIIFE": true,
+
+	"validateLineBreaks": "LF",
+
+	"validateQuoteMarks": {
+		"escape": true,
+		"mark": "'"
+	}
+}
+
--- a/node_modules/is-symbol/.npmignore
+++ b/node_modules/is-symbol/.npmignore
@@ -0,0 +1,28 @@
+# Logs
+logs
+*.log
+
+# Runtime data
+pids
+*.pid
+*.seed
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Compiled binary addons (http://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directory
+# Commenting this out is preferred by some people, see
+# https://www.npmjs.org/doc/misc/npm-faq.html#should-i-check-my-node_modules-folder-into-git-
+node_modules
+
+# Users Environment Variables
+.lock-wscript
--- a/node_modules/is-symbol/.nvmrc
+++ b/node_modules/is-symbol/.nvmrc
@@ -0,0 +1 @@
+iojs
--- a/node_modules/is-symbol/.travis.yml
+++ b/node_modules/is-symbol/.travis.yml
@@ -0,0 +1,18 @@
+language: node_js
+node_js:
+  - "0.11"
+  - "0.10"
+  - "0.9"
+  - "0.8"
+  - "0.6"
+  - "0.4"
+before_install:
+  - '[ "${TRAVIS_NODE_VERSION}" == "0.6" ] || npm install -g npm@1.4.6'
+matrix:
+  fast_finish: true
+  allow_failures:
+    - node_js: "0.11"
+    - node_js: "0.9"
+    - node_js: "0.6"
+    - node_js: "0.4"
+
--- a/node_modules/is-symbol/CHANGELOG.md
+++ b/node_modules/is-symbol/CHANGELOG.md
@@ -0,0 +1,7 @@
+1.0.1 / 2015-01-26
+=================
+  * Corrected description
+
+1.0.0 / 2015-01-24
+=================
+  * Initial release
--- a/node_modules/is-symbol/LICENSE
+++ b/node_modules/is-symbol/LICENSE
@@ -0,0 +1,22 @@
+The MIT License (MIT)
+
+Copyright (c) 2015 Jordan Harband
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
--- a/node_modules/is-symbol/Makefile
+++ b/node_modules/is-symbol/Makefile
@@ -0,0 +1,61 @@
+# Since we rely on paths relative to the makefile location, abort if make isn't being run from there.
+$(if $(findstring /,$(MAKEFILE_LIST)),$(error Please only invoke this makefile from the directory it resides in))
+
+	# The files that need updating when incrementing the version number.
+VERSIONED_FILES := *.js *.json README*
+
+
+# Add the local npm packages' bin folder to the PATH, so that `make` can find them, when invoked directly.
+# Note that rather than using `$(npm bin)` the 'node_modules/.bin' path component is hard-coded, so that invocation works even from an environment
+# where npm is (temporarily) unavailable due to having deactivated an nvm instance loaded into the calling shell in order to avoid interference with tests.
+export PATH := $(shell printf '%s' "$$PWD/node_modules/.bin:$$PATH")
+UTILS := semver
+# Make sure that all required utilities can be located.
+UTIL_CHECK := $(or $(shell PATH="$(PATH)" which $(UTILS) >/dev/null && echo 'ok'),$(error Did you forget to run `npm install` after cloning the repo? At least one of the required supporting utilities not found: $(UTILS)))
+
+# Default target (by virtue of being the first non '.'-prefixed in the file).
+.PHONY: _no-target-specified
+_no-target-specified:
+	$(error Please specify the target to make - `make list` shows targets. Alternatively, use `npm test` to run the default tests; `npm run` shows all tests)
+
+# Lists all targets defined in this makefile.
+.PHONY: list
+list:
+	@$(MAKE) -pRrn : -f $(MAKEFILE_LIST) 2>/dev/null | awk -v RS= -F: '/^# File/,/^# Finished Make data base/ {if ($$1 !~ "^[#.]") {print $$1}}' | command grep -v -e '^[^[:alnum:]]' -e '^$@$$command ' | sort
+
+# All-tests target: invokes the specified test suites for ALL shells defined in $(SHELLS).
+.PHONY: test
+test:
+	@npm test
+
+.PHONY: _ensure-tag
+_ensure-tag:
+ifndef TAG
+	$(error Please invoke with `make TAG=<new-version> release`, where <new-version> is either an increment specifier (patch, minor, major, prepatch, preminor, premajor, prerelease), or an explicit major.minor.patch version number)
+endif
+
+CHANGELOG_ERROR = $(error No CHANGELOG specified)
+.PHONY: _ensure-changelog
+_ensure-changelog:
+	@ (git status -sb --porcelain | command grep -E '^( M|[MA] ) CHANGELOG.md' > /dev/null) || (echo no CHANGELOG.md specified && exit 2)
+
+# Ensures that the git workspace is clean.
+.PHONY: _ensure-clean
+_ensure-clean:
+	@[ -z "$$((git status --porcelain --untracked-files=no || echo err) | command grep -v 'CHANGELOG.md')" ] || { echo "Workspace is not clean; please commit changes first." >&2; exit 2; }
+
+# Makes a release; invoke with `make TAG=<versionOrIncrementSpec> release`.
+.PHONY: release
+release: _ensure-tag _ensure-changelog _ensure-clean
+	@old_ver=`git describe --abbrev=0 --tags --match 'v[0-9]*.[0-9]*.[0-9]*'` || { echo "Failed to determine current version." >&2; exit 1; }; old_ver=$${old_ver#v}; \
+	 new_ver=`echo "$(TAG)" | sed 's/^v//'`; new_ver=$${new_ver:-patch}; \
+	 if printf "$$new_ver" | command grep -q '^[0-9]'; then \
+	   semver "$$new_ver" >/dev/null || { echo 'Invalid version number specified: $(TAG) - must be major.minor.patch' >&2; exit 2; }; \
+	   semver -r "> $$old_ver" "$$new_ver" >/dev/null || { echo 'Invalid version number specified: $(TAG) - must be HIGHER than current one.' >&2; exit 2; } \
+	 else \
+	   new_ver=`semver -i "$$new_ver" "$$old_ver"` || { echo 'Invalid version-increment specifier: $(TAG)' >&2; exit 2; } \
+	 fi; \
+	 printf "=== Bumping version **$$old_ver** to **$$new_ver** before committing and tagging:\n=== TYPE 'proceed' TO PROCEED, anything else to abort: " && read response && [ "$$response" = 'proceed' ] || { echo 'Aborted.' >&2; exit 2; };  \
+	 replace "$$old_ver" "$$new_ver" -- $(VERSIONED_FILES) && \
+	 git commit -m "v$$new_ver" $(VERSIONED_FILES) CHANGELOG.md && \
+	 git tag -a -m "v$$new_ver" "v$$new_ver"
--- a/node_modules/is-symbol/README.md
+++ b/node_modules/is-symbol/README.md
@@ -0,0 +1,46 @@
+#is-symbol <sup>[![Version Badge][2]][1]</sup>
+
+[![Build Status][3]][4]
+[![dependency status][5]][6]
+[![dev dependency status][7]][8]
+[![License][license-image]][license-url]
+[![Downloads][downloads-image]][downloads-url]
+
+[![npm badge][11]][1]
+
+[![browser support][9]][10]
+
+Is this an ES6 Symbol value?
+
+## Example
+
+```js
+var isSymbol = require('is-symbol');
+assert(!isSymbol(function () {}));
+assert(!isSymbol(null));
+assert(!isSymbol(function* () { yield 42; return Infinity; });
+
+assert(isSymbol(Symbol.iterator));
+assert(isSymbol(Symbol('foo')));
+assert(isSymbol(Symbol.for('foo')));
+assert(isSymbol(Object(Symbol('foo'))));
+```
+
+## Tests
+Simply clone the repo, `npm install`, and run `npm test`
+
+[1]: https://npmjs.org/package/is-symbol
+[2]: http://vb.teelaun.ch/ljharb/is-symbol.svg
+[3]: https://travis-ci.org/ljharb/is-symbol.svg
+[4]: https://travis-ci.org/ljharb/is-symbol
+[5]: https://david-dm.org/ljharb/is-symbol.svg
+[6]: https://david-dm.org/ljharb/is-symbol
+[7]: https://david-dm.org/ljharb/is-symbol/dev-status.svg
+[8]: https://david-dm.org/ljharb/is-symbol#info=devDependencies
+[9]: https://ci.testling.com/ljharb/is-symbol.png
+[10]: https://ci.testling.com/ljharb/is-symbol
+[11]: https://nodei.co/npm/is-symbol.png?downloads=true&stars=true
+[license-image]: http://img.shields.io/npm/l/is-symbol.svg
+[license-url]: LICENSE
+[downloads-image]: http://img.shields.io/npm/dm/is-symbol.svg
+[downloads-url]: http://npm-stat.com/charts.html?package=is-symbol
--- a/node_modules/is-symbol/index.js
+++ b/node_modules/is-symbol/index.js
@@ -0,0 +1,27 @@
+'use strict';
+
+var toStr = Object.prototype.toString;
+var hasSymbols = typeof Symbol === 'function' && typeof Symbol() === 'symbol';
+
+if (hasSymbols) {
+	var symToStr = Symbol.prototype.toString;
+	var symStringRegex = /^Symbol\(.*\)$/;
+	var isSymbolObject = function isSymbolObject(value) {
+		if (typeof value.valueOf() !== 'symbol') { return false; }
+		return symStringRegex.test(symToStr.call(value));
+	};
+	module.exports = function isSymbol(value) {
+		if (typeof value === 'symbol') { return true; }
+		if (toStr.call(value) !== '[object Symbol]') { return false; }
+		try {
+			return isSymbolObject(value);
+		} catch (e) {
+			return false;
+		}
+	};
+} else {
+	module.exports = function isSymbol(value) {
+		// this environment does not support Symbols.
+		return false;
+	};
+}
--- a/node_modules/is-symbol/package.json
+++ b/node_modules/is-symbol/package.json
@@ -0,0 +1,85 @@
+{
+  "_from": "is-symbol@^1.0.1",
+  "_id": "is-symbol@1.0.1",
+  "_inBundle": false,
+  "_integrity": "sha1-PMWfAAJRlLarLjjbrmaJJWtmBXI=",
+  "_location": "/is-symbol",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "is-symbol@^1.0.1",
+    "name": "is-symbol",
+    "escapedName": "is-symbol",
+    "rawSpec": "^1.0.1",
+    "saveSpec": null,
+    "fetchSpec": "^1.0.1"
+  },
+  "_requiredBy": [
+    "/es-to-primitive"
+  ],
+  "_resolved": "https://registry.npmjs.org/is-symbol/-/is-symbol-1.0.1.tgz",
+  "_shasum": "3cc59f00025194b6ab2e38dbae6689256b660572",
+  "_spec": "is-symbol@^1.0.1",
+  "_where": "/home/s2/Documents/Code/minifyfromhtml/node_modules/es-to-primitive",
+  "author": {
+    "name": "Jordan Harband"
+  },
+  "bugs": {
+    "url": "https://github.com/ljharb/is-symbol/issues"
+  },
+  "bundleDependencies": false,
+  "dependencies": {},
+  "deprecated": false,
+  "description": "Determine if a value is an ES6 Symbol or not.",
+  "devDependencies": {
+    "covert": "1.0.0",
+    "jscs": "~1.10.0",
+    "nsp": "~1.0.0",
+    "semver": "~4.2.0",
+    "tape": "~3.4.0"
+  },
+  "engines": {
+    "node": ">= 0.4"
+  },
+  "homepage": "https://github.com/ljharb/is-symbol#readme",
+  "keywords": [
+    "symbol",
+    "es6",
+    "is",
+    "Symbol"
+  ],
+  "license": "MIT",
+  "main": "index.js",
+  "name": "is-symbol",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/ljharb/is-symbol.git"
+  },
+  "scripts": {
+    "coverage": "covert test/index.js",
+    "coverage:quiet": "covert test/index.js --quiet",
+    "lint": "jscs *.js */*.js",
+    "security": "nsp package",
+    "test": "npm run lint && node --es-staging --harmony test/index.js && npm run security"
+  },
+  "testling": {
+    "files": "test/index.js",
+    "browsers": [
+      "iexplore/6.0..latest",
+      "firefox/3.0..6.0",
+      "firefox/15.0..latest",
+      "firefox/nightly",
+      "chrome/4.0..10.0",
+      "chrome/20.0..latest",
+      "chrome/canary",
+      "opera/10.0..latest",
+      "opera/next",
+      "safari/4.0..latest",
+      "ipad/6.0..latest",
+      "iphone/6.0..latest",
+      "android-browser/4.2"
+    ]
+  },
+  "version": "1.0.1"
+}
--- a/node_modules/is-symbol/test/index.js
+++ b/node_modules/is-symbol/test/index.js
@@ -0,0 +1,106 @@
+'use strict';
+
+var test = require('tape');
+var isSymbol = require('../index');
+
+var forEach = function (arr, func) {
+	var i;
+	for (i = 0; i < arr.length; ++i) {
+		func(arr[i], i, arr);
+	}
+};
+
+var hasSymbols = typeof Symbol === 'function' && typeof Symbol() === 'symbol';
+var debug = function (value, msg) {
+	var output = '';
+	if (hasSymbols) {
+		try { output += String(value); }
+		catch (e) { output += Symbol.prototype.toString.call(value); }
+		if (output === '') {
+			output = JSON.stringify(value);
+		}
+	}
+	var type = Object.prototype.toString.call(value).toLowerCase().slice(8, -1);
+	output += ' (' + type;
+	var typeOf = typeof value;
+	if (type !== typeOf) {
+		output += ', typeof: ' + typeOf;
+	}
+	return output + ') ' + msg;
+};
+
+test('non-symbol values', function (t) {
+	var nonSymbols = [
+		true,
+		false,
+		Object(true),
+		Object(false),
+		null,
+		undefined,
+		{},
+		[],
+		/a/g,
+		'string',
+		42,
+		new Date(),
+		function () {},
+		NaN
+	];
+	t.plan(nonSymbols.length);
+	forEach(nonSymbols, function (nonSymbol) {
+		t.equal(false, isSymbol(nonSymbol), debug(nonSymbol, 'is not a symbol'));
+	});
+	t.end();
+});
+
+test('faked symbol values', function (t) {
+	t.test('real symbol valueOf', { skip: !hasSymbols }, function (st) {
+		var fakeSymbol = { valueOf: function () { return Symbol('foo'); } };
+		st.equal(false, isSymbol(fakeSymbol), 'object with valueOf returning a symbol is not a symbol');
+		st.end();
+	});
+
+	t.test('faked @@toStringTag', { skip: !hasSymbols || !Symbol.toStringTag }, function (st) {
+		var fakeSymbol = { valueOf: function () { return Symbol('foo'); } };
+		fakeSymbol[Symbol.toStringTag] = 'Symbol';
+		st.equal(false, isSymbol(fakeSymbol), 'object with fake Symbol @@toStringTag and valueOf returning a symbol is not a symbol');
+		var notSoFakeSymbol = { valueOf: function () { return 42; } };
+		notSoFakeSymbol[Symbol.toStringTag] = 'Symbol';
+		st.equal(false, isSymbol(notSoFakeSymbol), 'object with fake Symbol @@toStringTag and valueOf not returning a symbol is not a symbol');
+		st.end();
+	});
+
+	var fakeSymbolString = { toString: function () { return 'Symbol(foo)'; } };
+	t.equal(false, isSymbol(fakeSymbolString), 'object with toString returning Symbol(foo) is not a symbol');
+
+	t.end();
+});
+
+test('Symbol support', { skip: !hasSymbols }, function (t) {
+	t.test('well-known Symbols', function (st) {
+		var wellKnownSymbols = Object.getOwnPropertyNames(Symbol).filter(function filterer(name) {
+			return name !== 'for' && name !== 'keyFor' && !(name in filterer);
+		});
+		wellKnownSymbols.forEach(function (name) {
+			var sym = Symbol[name];
+			st.equal(true, isSymbol(sym), debug(sym, ' is a symbol'));
+		});
+		st.end();
+	});
+
+	t.test('user-created symbols', function (st) {
+		var symbols = [
+			Symbol(),
+			Symbol('foo'),
+			Symbol.for('foo'),
+			Object(Symbol('object'))
+		];
+		symbols.forEach(function (sym) {
+			st.equal(true, isSymbol(sym), debug(sym, ' is a symbol'));
+		});
+		st.end();
+	});
+
+	t.end();
+});
+